Record of proceedings of the board of county commissioners concerning roads, bridges, drainage ditches, causeways, and landings. Documents include petitions, notices of petitions, objections, court orders, commissioners returns, surveys and plats, and damage awards to landowners. Other materials consist of a title report on a lot in Cambridge; contracts to build roads, bridges, causeways, jail, and dwelling on the almshouse farm; and contract to keep the drawbridge in Cambridge. The records are arranged chronologically by filing date. Access available in electronic form derived from the records themselves. Other county road plats and later ones appear in (Plat Book) in series C2141, (Subdivision Plats, DO) in series S1243, and (County Road Plat Book) in series C2822.